Membrane Proteins

Definition

Membrane proteins are integral or peripheral proteins that interact with or are part of biological membranes. They play various roles including transporting substances, receiving signals, acting as enzymes etc.

Related terms

Integral Proteins:

These are permanently attached within the cell membrane and often span across it.

Peripheral Proteins:

These are temporarily attached either to lipid bilayer or to integral proteins on the cell membrane surface.

Transmembrane Proteins: A type of integral protein that spans entirely across the biological membrane.